Question regarding mutex locking
From: Larry Finger
Date: Tue Nov 27 2007 - 23:37:28 EST
If a particular routine needs to lock a mutex, but it may be entered with that mutex already locked,
would the following code be SMP safe?
hold_lock = mutex_trylock()
...
if (hold_lock)
mutex_unlock()
Thanks,
Larry
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/